puffed up

Definition:

The term "puffed up" is a figurative expression that refers to being proud or arrogant. (See: Idiom)

A person who is puffed up has an attitude of feeling superior to others.
Paul taught that knowing a lot of information or having religious experiences can lead to being "puffed up" or proud.
Other languages may have a similar idiom or a different one that expresses this meaning, such as "having a big head."
This could also be translated as "very proud" or "disdainful of others" or "haughty" or "thinking oneself better than others."